CN219975149U - Bearing end cover and oil shield transformation structure based on generator driving end of wind turbine generator - Google Patents

Abstract

The utility model relates to the technical field of generator bearings, and discloses a bearing end cover and oil shield transformation structure based on a generator driving end of a wind turbine generator. This structure is reformed transform to end bearing end cover and oil shield based on wind turbine generator system generator drive, at first, the pulling ejector pad drives the slider through the ejector pad and carries out horizontal migration along the inner wall of spout, drive the butt piece through the slider and carry out horizontal migration, the problem that the bearing inner cup is difficult for installing has effectively been avoided in the setting of this structure, can reach the effect that carries out convenient installation to the bearing inner cup, the installation degree of difficulty of staff has been reduced, corresponding installation time has been reduced, installation cost has also can avoid producing not hard up between bearing inner cup and the main part at in-process of in-service use, thereby the life of bearing has been improved.

Description

Bearing end cover and oil shield transformation structure based on generator driving end of wind turbine generator

Technical Field

The utility model relates to the technical field of generator bearings, in particular to a bearing end cover and oil shield transformation structure based on a generator driving end of a wind turbine generator.

Background

With the increase of the service life of the fan, the bearing end of the generator driving end of the wind turbine generator can be cracked under the influence of natural aging, however, in the process of replacing the bearing end of the generator driving end of the wind turbine generator, if the bearing cover is not in effective alignment during the replacement and installation, the bearing cover and the bearing can be attached, abrasion can occur during the rotation of the bearing, the service life of the bearing is reduced, meanwhile, grease is continuously filled, waste oil in the bearing chamber of the generator driving end is not timely discharged, the high-temperature alarm of the generator driving end is frequently generated during the operation of the wind turbine generator, the bearing is operated at a high temperature for a long time and the waste grease can not be discharged for a long time, the grease in the bearing chamber of the generator driving end can have a certain degree of influence on the generator bearing, if the generator bearing is damaged due to the fact that the generator shaft cannot be repaired and the generator bearing cannot be damaged due to the fact that the caking is not timely cleaned, the generator is released for a long time, and the long-term operation is seriously influenced, and the long-term safety and stable operation of the generator is greatly influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a bearing end cover and oil shield transformation structure based on the driving end of a generator of a wind turbine, which has the advantages of forming rapid alignment installation, avoiding abrasion caused by contact between a bearing cover and a bearing and discharging scrapped grease, and solves the problems in the prior art.

The utility model provides the following technical scheme: two groups of sliding grooves are formed in the inner portion of the bearing inner cover, two groups of sliding grooves are formed in the inner wall of each sliding groove in a sliding mode, one side of each sliding groove is fixedly connected with an abutting block, and the abutting blocks are connected with the sliding grooves in a sliding mode.

Preferably, the surface laminating of bearing inner cup has the main part, two sets of butt grooves have been seted up to the inside of main part, two sets of the inner wall in butt groove all with the butt piece butt.

Preferably, a plurality of groups of second preformed holes are formed in the bearing inner cover, a plurality of groups of first preformed holes are formed in the main body, bolts are connected with the inner walls of the first preformed holes in a threaded mode, and the bolts are connected with the second preformed holes in a threaded mode.

Preferably, the upper surface fixedly connected with ejector pad of slider, bearing inner cup's inside fixed mounting has the piece of accepting, it is located same horizontal plane with the ejector pad to accept the piece, the bottom of bearing inner cup is provided with the oil dam, the heavy-calibre oil drain hole has been seted up to the side of bearing inner cup.

Preferably, a spring is fixedly connected to one side of the sliding block, and the other end of the spring is fixedly connected with the inner wall of the sliding groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. this structure is reformed transform to end bearing end cover and oil shield based on wind turbine generator system generator, at first, the pulling ejector pad drives the slider through the ejector pad and carries out horizontal migration along the inner wall of spout, drive the butt piece through the slider and carry out horizontal migration, make the spring extrude, place the bearing inner cup in the inside back of main part, loosen the ejector pad, make the slider resume the normal position through the elasticity of spring, make the butt piece butt in the inner wall of the butt groove of main part inside seting up, install the inner wall of the second preformed hole of the inside first preformed hole of seting up of main part and the inside second preformed hole of bearing inner cup with the bolt, thereby the inseparable laminating of bearing inner cup and main part is reached, the setting of this structure, the effectual bearing cap that has solved when changing the installation of bearing cap can lead to bearing cap and bearing to producing the laminating if the position of butt joint installation is not formed effectively, the problem of bearing inner cup life that has reduced the bearing inner cup is difficult for the installation, simultaneously, the effect of convenient installation is carried out to the bearing inner cup has been avoided, the installation time is reduced corresponding, the cost of installation is reduced and the actual use is also can be avoided in the main part to have improved the life between the bearing inner cup.

2. This structure is reformed transform to end bearing end cover and oil shield based on wind turbine generator system generator, through the setting of oil shield and heavy-calibre oil drain hole, through the end cover with brand-new lubricating oil add to the inside of bearing frame from one side of bearing inner cup, lubricate the bearing frame, in time discharge waste oil through the oil shield that the inside setting of bearing enclosing cover, the problem that the inside waste oil of wind turbine generator system generator bearing caused the damage to the bearing can be reached in time discharge waste oil's effect, simultaneously, reduce generator operating temperature, guarantee wind turbine generator system's safe and stable operation, reduce the damage rate of equipment, play energy saving and emission reduction, reduce the oil pollution degree of surrounding environment and reduce the effect of equipment maintenance cost, also can reduce staff's work load, and the working strength of staff has improved the life of equipment, improve wind turbine generator system's availability, guarantee equipment safe and stable operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;

FIG. 2 is a schematic diagram of the front view of FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of the right-hand internal structure of FIG. 1 according to the present utility model;

FIG. 4 is a schematic elevational view of the bearing inner cap of FIG. 1 in accordance with the present utility model;

fig. 5 is a schematic view of the bearing inner cap of fig. 1 according to the present utility model.

In the figure: 1. a bearing inner cover; 2. a bolt; 3. a main body; 4. a pushing block; 5. a chute; 6. a slide block; 7. a spring; 8. an abutment block; 9. a first preformed hole; 10. a receiving block; 11. an abutment groove; 12. a second preformed hole; 13. an oil shield; 14. and a large-caliber oil drain hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a bearing end cover and an oil shield transformation structure based on a driving end of a generator of a wind turbine generator comprise a bearing inner cover 1, wherein two groups of sliding grooves 5 are formed in the bearing inner cover 1, sliding blocks 6 are slidably connected to the inner walls of the two groups of sliding grooves 5, one side of each sliding block 6 is fixedly connected with an abutting block 8, and the abutting blocks 8 are slidably connected with the sliding grooves 5.

Wherein; the surface laminating of bearing inner cup 1 has main part 3, and two sets of butt grooves 11 have been seted up to the inside of main part 3, and the inner wall in two sets of butt grooves 11 all with butt piece 8 butt, reduced staff's the installation degree of difficulty, reduced corresponding installation time, reduced installation cost, effectively avoided the difficult problem of installing of bearing inner cup 1, can reach the effect that carries out convenient installation to bearing inner cup 1, also can avoid producing not hard up between bearing inner cup 1 and the main part 3 at in-service use's in-process to the life of bearing has been improved.

Wherein; the inside of bearing inner cup 1 has seted up multiunit second preformed hole 12, and multiunit first preformed hole 9 has been seted up to the inside of main part 3, and the inner wall threaded connection of first preformed hole 9 has bolt 2, and bolt 2 and second preformed hole 12 threaded connection install the inner wall of the first preformed hole 9 that the inside of main part 3 was seted up and the second preformed hole 12 that the inside of bearing inner cup 1 was seted up with bolt 2 to reach the inseparable laminating of bearing inner cup 1 and main part 3, improved the stability of the device during operation.

Wherein; the upper surface fixedly connected with ejector pad 4 of slider 6, the inside fixed mounting of bearing inner cup 1 has the piece 10 that holds, it is located same horizontal plane to accept piece 10 and ejector pad 4, the bottom of bearing inner cup 1 is provided with oil shield 13, heavy-calibre oil drain hole 14 has been seted up to the side of bearing inner cup 1, the problem that the inside waste oil of wind turbine generator system generator bearing caused the damage to the bearing can be reached in time to discharge waste oil, simultaneously, the generator operating temperature is reduced, guarantee the safe and stable operation of wind turbine generator system, reduce the damage rate of equipment, play energy saving and emission reduction, reduce the oil pollution degree of surrounding environment and reduce the effect of equipment maintenance cost, also can reduce staff's work load, reduce staff's working strength, improve the life of equipment, improve wind turbine generator system's availability ratio, guarantee the safe and stable operation of equipment, can reach the effect of being convenient for install bearing inner cup 1, and corresponding installation effectiveness has been improved.

Wherein; one side fixedly connected with spring 7 of slider 6, the other end of spring 7 and the inner wall fixed connection of spout 5, elasticity through spring 7 makes slider 6 resume the normal position for the butt piece 8 butt is at the inner wall of the butt groove 11 that the inside seting up of main part 3, makes bearing inner cup 1 and main part 3 closely laminate, has improved the security when the device is used.

When the bearing inner cover 1 is installed according to the working principle, firstly, the push block 4 is pulled, the slide block 6 is driven to horizontally move along the inner wall of the sliding groove 5 through the push block 4, the abutting block 8 is driven to horizontally move through the slide block 6, the spring 7 is extruded, after the bearing inner cover 1 is placed in the main body 3, the push block 4 is loosened, the slide block 6 is restored to the original position through the elastic force of the spring 7, the abutting block 8 abuts against the inner wall of the abutting groove 11 formed in the main body 3, the bolt 2 is installed on the inner wall of the first reserved hole 9 formed in the main body 3 and the inner wall of the second reserved hole 12 formed in the bearing inner cover 1, and therefore the bearing inner cover 1 and the main body 3 are tightly attached.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Structure is reformed transform to drive end bearing end cover and oil shield based on wind turbine generator system generator, including bearing inner cup, its characterized in that: two sets of spouts have been seted up to the inside of bearing inner cup, two sets of the equal sliding connection of inner wall of spout has the slider, one side fixedly connected with butt piece of slider, butt piece and spout sliding connection, the laminating of the surface of bearing inner cup has the main part, two sets of butt grooves have been seted up to the inside of main part, two sets of the inner wall of butt groove all with butt piece butt.

2. The wind turbine generator drive end bearing end cover and oil shield transformation structure based on claim 1, wherein the structure is characterized in that: the bearing inner cup is characterized in that a plurality of groups of second preformed holes are formed in the bearing inner cup, a plurality of groups of first preformed holes are formed in the main body, bolts are connected with the inner walls of the first preformed holes in a threaded mode, and the bolts are connected with the second preformed holes in a threaded mode.

3. The wind turbine generator drive end bearing end cover and oil shield transformation structure based on claim 1, wherein the structure is characterized in that: the upper surface fixedly connected with ejector pad of slider, bearing inner cup's inside fixed mounting has the accepting piece, accepting piece with the ejector pad is located same horizontal plane, bearing inner cup's bottom is provided with the oil dam, heavy-calibre oil drain hole has been seted up to bearing inner cup's side.

4. The wind turbine generator drive end bearing end cover and oil shield transformation structure based on claim 1, wherein the structure is characterized in that: one side of the sliding block is fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner wall of the sliding groove.